export type H3Mode = "r2v" | "t2v";
/** Resolve the public mode field; omitted mode selects reference generation. */
export declare function resolveH3Mode(value: unknown): H3Mode;
export type ResolvedReference = {
    kind: "image" | "audio";
    path: string;
    label: string;
    role: string;
};
export declare const H3_QUALITY_IDS: readonly ["preview", "base_0_7mp", "base_768p", "standard_480p", "standard_0_7mp", "standard_768p", "portrait_preview", "portrait_0_7mp", "portrait_768p", "standard_portrait_480p", "standard_portrait_0_7mp", "standard_portrait_768p"];
export type H3QualityId = (typeof H3_QUALITY_IDS)[number];
export declare const H3_QUALITY_DESCRIPTIONS: Record<H3QualityId, string>;
export declare function validateH3Inputs(mode: H3Mode, imageCount: number, audioCount: number): void;
export declare function resolveReferences(imagePaths: string[], audioPaths: string[]): ResolvedReference[];
export declare function buildRuntimeBrief(input: {
    draftPrompt: string;
    durationSeconds: number;
    mode: H3Mode;
    references: ResolvedReference[];
}): string;
/** Accept all six H3 fields in any order. */
export declare function isStructuredH3Prompt(prompt: string): boolean;